Answer:
$10
Step-by-step explanation:
300 divided by 30 is 10
Answer:
46% i hope this helps
Step-by-step explanation:
- If the equation is
:
- If the equation is
:
Hopefully the math was self-explanatory. If it is not, please feel free to ask for a step-by-step, in depth explanation, and I will edit my answer to accommodate.
Answer:
1) null: π = 0.5, alternative: π > 0.5
2)p^= 80/124 =0.645
std error =(phat(1-phat)/n)1/2 =0.0430
3)z = (phat-p)/std erro =(0.645-0.5)/0.0430 =3.22
4)The observed proportion of couples who leaned to the right when kissing is 3.22 standard deviations above the null hypothesized value of 0.50
5)We have strong evidence that the proportion of couples that lean their heads to the right while kissing is more than 50%
